382 MESSES. MELVILL AND STANDEN ON [June 18, 



Fam. Cype^eid.e. 

 CyPBvEA annulus L. 



P.G. Gulf of Oman, Maskat. Very abundant, and from thence 

 exported to India as an article of commerce (F. W. T.). 



I. Karachi. A single dead specimen only occurred (F. W. T.). 



Cype^ea aeabica L. 



P.G. M.C. Generally common, mostly being found under 

 rocks at low tide. 



I. Karachi. Bombay (Abercrombie). 

 Var. histrio Meusch (sp.). 



I. Bombay (Abercrombie), with the type. 

 Yar. reticulata Martyn (sp.). 



I. Karachi. Small but well-developed forms ; also a large 

 variety, with the white dorsal patches remarkably distinct and 

 quadrate. 



CYPEjEA caeneola L. 



P.G. Local, but variable. Pound from low-tide mark to 

 3 fathoms. Kemarkably light forms occur at Shaikh Shuaib 

 Island and Henjam I., while from Linjah, at 3i fathoms, were 

 dredged alive dark examples, spirally four-banded with chocolate, 

 and with lilac annulus just beyond the columellar and labial 

 callosities extending dorsally. These same forms occur from Jask 

 eastwards. 



M.C. Charbar, at 3 fathoms. 



Cype.ea caueica L. 



P.G. Common in shoal-water amongst rocks. 

 M.C. Yery rare, have only dredged four specimens in eight 

 years (F. W. T.). 



CYl'E.EA EEOSA L. 



P.G. M.C. Not abundant, but widely distributed. Found 

 usually on muddy sand near rocks, at low water to 7 fathoms. 



Cypb^ea eelina Gmel. 

 P.G. Gulf of Oman, Maskat, 



M.C. Pare. Found at half-tide mark, never much below that, 

 under rocks. 



Yar. fabula Kiener (sp.). 

 P.G. Gulf of Oman, Maskat. Very finely coloured and large. 



CypevEa fimbeiata Gmel. 



P.G. M.C. 



Generally found, from 5 to 10 fathoms, amongst coral-sand 

 and algae. 



Yar. macula Ad. (sp.). 



P.G. With the type. Many authors consider this a good 

 species, but to us it appears to merge into the type insensibly. 



